On Wednesday, July 25, the subcommittee on water and power will examine the role of water use efficiency and its impact on energy use. Witnesses include Henry L. Green, president, National Institute of Building Sciences, Washington, DC; Daniel W. Bena, senior director of global sustainable development, PepsiCo, Inc., Purchase, NY; GP Russ Chaney, chief executive officer, The IAPMO Group, Ontario, CA; and Mary Ann Dickinson, president and chief executive officer, Alliance for Water Efficiency, Chicago. (Dirksen 366 at 2:30 p.m.)